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Turn on PHY support for low speed

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This commit is contained in:
PaulStoffregen 2017-02-10 18:52:12 -08:00
parent 03fb64e1ab
commit f1c0481d89
1 changed files with 1 additions and 0 deletions
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k66_usbhost.ino
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@ -74,6 +74,7 @@ void setup()
print("init USBHS PHY & PLL");
// init process: page 1681-1682
USBPHY_CTRL_CLR = (USBPHY_CTRL_SFTRST | USBPHY_CTRL_CLKGATE); // // CTRL pg 1698
USBPHY_CTRL_SET = USBPHY_CTRL_ENUTMILEVEL2 | USBPHY_CTRL_ENUTMILEVEL3;
USBPHY_TRIM_OVERRIDE_EN_SET = 1;
USBPHY_PLL_SIC = USBPHY_PLL_SIC_PLL_POWER | USBPHY_PLL_SIC_PLL_ENABLE |
USBPHY_PLL_SIC_PLL_DIV_SEL(1) | USBPHY_PLL_SIC_PLL_EN_USB_CLKS;